Heating furnace with regenerative burners and method of operating the heating furnace
CA 2639404 A1 · Owner: Karube, Kenta · Inventors: Andachi, Kazunari; Sugimoto, Ichiro; Karube, Kenta
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heating furnace with regenerative burners and a method of controlling a furnace pressure; the heating furnace. comprising a plurality sets of regenerative , burners having preheat zones heating zones, uniform zones, and, as heat sources of the uniform heating zones, pairs of burners with heat reservoirs disposed opposedly to each other; a method of controlling the furnace pressure in the uniform heating zones, comprising the step of controlling the sucking rate , of exhaust gas from the burners to the heat reservoirs according to the combustion load of the entire heating furnace whereby the furnace pressure , can be strictly controlled by utilizing regenerative burner-specific …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 27, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.